From 3f2587e7d0e17c723efc5c36ee37b858a39809b8 Mon Sep 17 00:00:00 2001
From: Alex Garcia <alexsebastian.garcia@gmail.com>
Date: Sun, 26 May 2024 20:54:52 -0700
Subject: [PATCH] initial microbenchmarks with cargo bench

---
 benchmarks/micro/.gitignore |   1 +
 benchmarks/micro/Cargo.lock | 180 ++++++++++++++++++++++++++++++++++++
 benchmarks/micro/Cargo.toml |   7 ++
 benchmarks/micro/src/lib.rs |  31 +++++++
 4 files changed, 219 insertions(+)
 create mode 100644 benchmarks/micro/.gitignore
 create mode 100644 benchmarks/micro/Cargo.lock
 create mode 100644 benchmarks/micro/Cargo.toml
 create mode 100644 benchmarks/micro/src/lib.rs

diff --git a/benchmarks/micro/.gitignore b/benchmarks/micro/.gitignore
new file mode 100644
index 0000000..2f7896d
--- /dev/null
+++ b/benchmarks/micro/.gitignore
@@ -0,0 +1 @@
+target/
diff --git a/benchmarks/micro/Cargo.lock b/benchmarks/micro/Cargo.lock
new file mode 100644
index 0000000..f4dbded
--- /dev/null
+++ b/benchmarks/micro/Cargo.lock
@@ -0,0 +1,180 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "ahash"
+version = "0.8.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e89da841a80418a9b391ebaea17f5c112ffaaa96f621d2c285b5174da76b9011"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "version_check",
+ "zerocopy",
+]
+
+[[package]]
+name = "bitflags"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf4b9d6a944f767f8e5e0db018570623c85f3d925ac718db4e06d0187adb21c1"
+
+[[package]]
+name = "cc"
+version = "1.0.98"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41c270e7540d725e65ac7f1b212ac8ce349719624d7bcff99f8e2e488e8cf03f"
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "fallible-iterator"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2acce4a10f12dc2fb14a218589d4f1f62ef011b2d0cc4b3cb1bba8e94da14649"
+
+[[package]]
+name = "fallible-streaming-iterator"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7360491ce676a36bf9bb3c56c1aa791658183a54d2744120f27285738d90465a"
+
+[[package]]
+name = "hashbrown"
+version = "0.14.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
+dependencies = [
+ "ahash",
+]
+
+[[package]]
+name = "hashlink"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ba4ff7128dee98c7dc9794b6a411377e1404dba1c97deb8d1a55297bd25d8af"
+dependencies = [
+ "hashbrown",
+]
+
+[[package]]
+name = "libsqlite3-sys"
+version = "0.28.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c10584274047cb335c23d3e61bcef8e323adae7c5c8c760540f73610177fc3f"
+dependencies = [
+ "cc",
+ "pkg-config",
+ "vcpkg",
+]
+
+[[package]]
+name = "micro"
+version = "0.1.0"
+dependencies = [
+ "rusqlite",
+]
+
+[[package]]
+name = "once_cell"
+version = "1.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
+
+[[package]]
+name = "pkg-config"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d231b230927b5e4ad203db57bbcbee2802f6bce620b1e4a9024a07d94e2907ec"
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.83"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b33eb56c327dec362a9e55b3ad14f9d2f0904fb5a5b03b513ab5465399e9f43"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.36"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fa76aaf39101c457836aec0ce2316dbdc3ab723cdda1c6bd4e6ad4208acaca7"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "rusqlite"
+version = "0.31.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b838eba278d213a8beaf485bd313fd580ca4505a00d5871caeb1457c55322cae"
+dependencies = [
+ "bitflags",
+ "fallible-iterator",
+ "fallible-streaming-iterator",
+ "hashlink",
+ "libsqlite3-sys",
+ "smallvec",
+]
+
+[[package]]
+name = "smallvec"
+version = "1.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
+
+[[package]]
+name = "syn"
+version = "2.0.65"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2863d96a84c6439701d7a38f9de935ec562c8832cc55d1dde0f513b52fad106"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
+
+[[package]]
+name = "vcpkg"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
+
+[[package]]
+name = "version_check"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
+
+[[package]]
+name = "zerocopy"
+version = "0.7.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae87e3fcd617500e5d106f0380cf7b77f3c6092aae37191433159dda23cfb087"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15e934569e47891f7d9411f1a451d947a60e000ab3bd24fbb970f000387d1b3b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
diff --git a/benchmarks/micro/Cargo.toml b/benchmarks/micro/Cargo.toml
new file mode 100644
index 0000000..ce67afa
--- /dev/null
+++ b/benchmarks/micro/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "micro"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+rusqlite = {version="0.31.0", features=["bundled"]}
diff --git a/benchmarks/micro/src/lib.rs b/benchmarks/micro/src/lib.rs
new file mode 100644
index 0000000..50b4426
--- /dev/null
+++ b/benchmarks/micro/src/lib.rs
@@ -0,0 +1,31 @@
+#![feature(test)]
+
+extern crate test;
+
+pub fn add_two(a: i32) -> i32 {
+    a + 2
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use rusqlite::Connection;
+    use test::Bencher;
+
+    #[test]
+    fn it_works() {
+        assert_eq!(4, add_two(2));
+    }
+
+    #[bench]
+    fn bench_add_two(b: &mut Bencher) {
+        let db = Connection::open_in_memory().unwrap();
+        let v: Vec<f32> = vec![0.1, 0.2, 0.3];
+
+        b.iter(|| {
+            let sqlite_version: String = db
+                .query_row("select sqlite_version()", [], |x| x.get(0))
+                .unwrap();
+        });
+    }
+}